Mercurial > hg > octave-nkf
view liboctave/oct-rand.h @ 6746:a8105a726e68
[project @ 2007-06-19 08:18:34 by dbateman]
author | dbateman |
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date | Tue, 19 Jun 2007 08:18:34 +0000 |
parents | 143b556ce725 |
children | 93c65f2a5668 |
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/* Copyright (C) 2003 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #if !defined (octave_rand_h) #define octave_rand_h 1 #include <string> #include "dColVector.h" #include "dMatrix.h" #include "dNDArray.h" struct OCTAVE_API octave_rand { // Return the current seed. static double seed (void); // Set the seed. static void seed (double s); // Return the current state. static ColumnVector state (void); // Set the current state/ static void state (const ColumnVector &s); // Return the current distribution. static std::string distribution (void); // Set the current distribution. May be either "uniform" (the // default) or "normal". static void distribution (const std::string& d); static void uniform_distribution (void); static void normal_distribution (void); static void exponential_distribution (void); static void poisson_distribution (void); static void gamma_distribution (void); // Return the next number from the sequence. static double scalar (double a = 1.); // Return a matrix of numbers from the sequence, filled in column // major order. static Matrix matrix (octave_idx_type r, octave_idx_type c, double a = 1.); // Return an N-dimensional array of numbers from the sequence, // filled in column major order. static NDArray nd_array (const dim_vector& dims, double a = 1.); // Return an array of numbers from the sequence. static Array<double> vector (octave_idx_type n, double a = 1.); }; #endif /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */